Asa Schachar asaschachar

Backend Feature Flags in NodeJS

Note: This functionality requires an Optimizely plan with access to "Event Data Export"

The following uses the open source command line tool oevents.

A terminal to run the oevents bash script (any OS X and most GNU/Linux distributions)
jq - a command-line processor
curl (Note: All versions of OS X starting with Jaguar come with curl installed)
The Amazon AWS CLI (v2+)

Requirements: Node >= 8.1 and npm >= 5.6

	# myapp.rb
	require 'sinatra'
	require './optly'

	get '/' do
	enabled = Optly.instance.client.is_feature_enabled('hello_world', 'user123', {
	'customerId' => 123,
	'isVIP' => true
	})

	enabled = Optly.instance.client.is_feature_enabled('hello_world', 'user123', {
	'customerId' => 123,
	'isVIP' => true
	})

	enabled ? 'Hello World! You got the hello_world feature!' : 'You did not get the hello_world feature'

	# myapp.rb
	require 'sinatra'
	require './optly' # Imports the Optimizely singleton

	get '/' do
	'Hello world!'
	end

	# optly.rb
	require 'singleton'
	require 'logger'
	require 'optimizely/optimizely_factory'

	class Optly
	include Singleton

	def initialize
	sdk_key = '<Your_SDK_Key>'

	func handleRequest(c *gin.Context) {

	userObj := map[string]string{"userId": "user123"}
	jsonString, _ := json.Marshal(userObj)

	req, _ := http.NewRequest("POST", "http://localhost:8080/v1/activate", bytes.NewBuffer(jsonString))

	q := req.URL.Query()
	q.Add("featureKey", "hello_world")

	<html>
	<head>
	<script src="https://unpkg.com/@optimizely/[email protected]/dist/optimizely.browser.umd.min.js"></script>
	<script src="https://cdn.optimizely.com/datafiles/V7kE2tbrJaYGmtRF5W5QXf.json/tag.js"></script>
	</head>
	<body>
	<h1>Hello World</h1>
	<p id="subtitle">This is a subtitle</p>
	</body>
	<script>